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Regular Solar Observations

Monty Leventhal OAM regularly reports on his solar observations at Sydney City Skywatcher meetings. Every morning when the Sun is visible Monty records activity and sends his reports to agencies across the globe to contribute to research data about our closest star. In 2009 his name was recorded in the Queen’s Birthday honours list. He received a Medal (OAM) in the General Division of the Order of Australia. The citation reads “For service to science through volunteer roles at the Sydney Observatory.” Find out more about Monty's contribution to astronomy in this blog post written by Dr Nick Lomb. In 2010 Monty received another award for his careful and conscientious observations of the Sun f

Harry spies a Solar Dragon

2016 December, “Here be Dragons!”: Back in 2007 most Heliophysicists predicted that solar cycle 24 (SC24), the current cycle, would be a strong one: “the strongest for a century”, asserted one well known agency! Only a few ‘lesser-known’s’ correctly predicted the current state of affairs. Why? Basically, because the modelling of solar activity is still in its infancy and many were misled by the strong activity cycles of the second half of the 20C. Flaring, for instance, showed a steady rise in peak flare power (GOES Xray flux) over cycles SC21, 22 and 23. This trend, if extrapolated to SC24, suggests many flares with fluxes > X20. In reality, thus far, only one flare in SC24 has reached GOE

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